Home / 165,627.63-228,547.92-93,015.78

Finding the Fourth Proportional to 165,627.63, 228,547.92 and 93,015.78

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Solution

The fourth proportional to 165,627.63, 228,547.92 and 93,015.78 is: 128,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,627.63 : 228,547.92 = 93,015.78 : x
  2. Step 2: Convert to fraction form
    165,627.63/228,547.92 = 93,015.78/x
  3. Step 3: Cross multiply
    165,627.63x = 228,547.92 × 93,015.78
  4. Step 4: Simplify right side
    165,627.63x = 21,258,563,046.18
  5. Step 5: Solve for x
    x = 21,258,563,046.18/165,627.63
  6. Step 6: Final answer
    x = 128,351.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.